Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 51424. Place of collection: Ukraine; Republic of Crimea; Lenino District; Kurortne village; Chokrak lake (side) (N45°27' E36°19'). Date of collection: 6 May 1990. Associated organism: Alyssum sp. (leaf). Collector: Dudka, I.O.. Identifier: Heluta, V.P..